70885680 has 40 divisors (see below), whose sum is σ = 219746352. Its totient is φ = 18902784.

The previous prime is 70885667. The next prime is 70885687. The reversal of 70885680 is 8658807.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (70885687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147439 + ... + 147918.

Almost surely, 2^70885680 is an apocalyptic number.

It is an amenable number.

70885680 is an abundant number, since it is smaller than the sum of its proper divisors (148860672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70885680 is a wasteful number, since it uses less digits than its factorization.

70885680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295373 (or 295367 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 42.

The square root of 70885680 is about 8419.3633963620. The cubic root of 70885680 is about 413.8594122281.

The spelling of 70885680 in words is "seventy million, eight hundred eighty-five thousand, six hundred eighty".